3721448 has 32 divisors (see below), whose sum is σ = 7270560. Its totient is φ = 1784640.

The previous prime is 3721439. The next prime is 3721451. The reversal of 3721448 is 8441273.

It is a self number, because there is not a number n which added to its sum of digits gives 3721448.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28343 + ... + 28473.

It is an arithmetic number, because the mean of its divisors is an integer number (227205).

Almost surely, 2^3721448 is an apocalyptic number.

It is an amenable number.

3721448 is a deficient number, since it is larger than the sum of its proper divisors (3549112).

3721448 is a wasteful number, since it uses less digits than its factorization.

3721448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 253 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 3721448 is about 1929.1054921906. The cubic root of 3721448 is about 154.9663194249.

The spelling of 3721448 in words is "three million, seven hundred twenty-one thousand, four hundred forty-eight".